Specific knowledge is required to achieve the Performance Criteria of this unit, particularly its application in a variety of circumstances in which the unit may be used. This includes knowledge of the following, as required to safely, effectively and efficiently inspect, test and maintain safety shutdown systems on diesel engine systems: site risk, statutory compliance, health, safety, environmental, quality and communication requirements and procedures site and manufacturer’s requirements and procedures legislative requirements and procedures site and legislative safety inspection requirements provisions of relevant Standards and guidelines potential hazards in the use of diesel engine systems in underground coal mines, including: explosions fire, and emissions limitations on allowable maintenance, including: service adjust replace repair overhaul work in hazardous environments limitations on allowable modifications and their required controls and procedures engine system shut-down devices required by AS/NZS3584.1&2 water-bath level monitoring devices, including the methods employed to determine minimum safe shut-down levels and the testing methods and procedures required to confirm compliance functionality and performance of the various type of ‘automatic safety shutdown systems, including; pneumatically operated engine oil (pressure) operated a mix of pneumatic and engine oil (pressure) operated electrically or electronically operated failure modes of safety shutdown systems, including contamination incorrect adjustment unauthorised adjustment testing procedures required to detect failures recommended maintenance procedures required to reduce the probability of failures features, function and performance of electrical / electronic safety shutdown system and sufficient knowledge of the Group I explosion protection techniques used for devices to identify a component failure by inspection (only) and to seek expert competent advice, such as; Ex.d – flameproof Ex.i a-b – intrinsic safety Ex.m a-b – dncapsulation Ex.e - increased safety Ex.o - oil immersion Ex.s - special protection requirements for cables and connections used for electrical / electronic safety shutdown system, including those nominated in AS/NZS4871.6 features, function, performance of the various type of ‘emergency stop systems, including; strangler valves in the air intake system inert gas injection decompression operation of the manual fuel shut off valve items required to be used in performance of inspection, testing and maintenance tasks tools required for the performance of inspection, testing and maintenance tasks provisions of AS/NZS3584.1, 2 and 3 relating to fasteners and joints recognise the requirements and performance of various types of fasteners, including bolts, studs, threads and washers site inspection, testing and maintenance support requirements and availability site work area inspection requirements site work area safeguarding options and requirements site isolation and lock-out requirements and procedures site hazard and emergency procedures site inspection, testing and maintenance reporting requirements and procedures site inspection, testing and maintenance record procedures site requirements and procedures for working in isolation site requirements for the use of personal protective equipment |